NASA astronaut Mike Fincke works on the BioFabrication Facility

iss073e0880239 (Oct. 14, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Mike Fincke conducts maintenance on the BioFabrication Facility inside the International Space Station's Columbus laboratory module. The advanced 3D bioprinter is designed to print organ-like tissues in microgravity, demonstrating the potential to manufacture fully functional human organs using a patient’s own cells.